Semco RC100C-2 - Front Panel SOQPSK-LDPC Settings

A2537-002/01 February 2020 6-29 SEMCO Proprietary Information
LDPC Rate, Block Size and De-Randomizer selection is illustrated in Figure 6-43 and described in the
following paragraphs.
For LDPC Rate, the operator pushes the DEMOD button to access the <Ch1> Demod Menu, uses the
UP (2) and DOWN (8) arrows to scroll to LDPC Rate in blue, and then pushes ENTER or SELECT (5) to
highlight the selection window in bright magenta. The operator then uses the UP (2) and DOWN (8)
arrows to select 4/5, 2/3 or 1/2 and pushes ENTER or SELECT (5.
Using the horizontal LEFT (4) and RIGHT (6) arrows, the operator selects <Ch2> and pushes ENTER or
SELECT (5) to highlight the selection window in bright magenta. The operator then uses the UP (2) and
DOWN (8) arrows to select 4/5, 2/3 or 1/2 and pushes ENTER or SELECT (5). The operator repeats these
steps for <Comb>.
For LDPC Block Size, the operator uses the horizontal LEFT (4) and RIGHT (6) arrows to select <Ch1>,
uses the UP (2) and DOWN (8) arrows to scroll to LDPC Block Size in blue, and pushes ENTER or
SELECT (5) to highlight the selection window in bright magenta. The operator then uses the UP (2) and
DOWN (8) arrows to select 1024 or 4096 and pushes ENTER or SELECT (5).
Using the horizontal LEFT (4) and RIGHT (6) arrows, the operator selects <Ch2> and pushes ENTER or
SELECT (5) to highlight the selection window in bright magenta. The operator then uses the UP (2) and
DOWN (8) arrows to select 1024 or 4096 and pushes ENTER or SELECT (5). The operator repeats these
steps for <Comb>.
For LDPC De-randomizer, the operator uses the horizontal LEFT (4) and RIGHT (6) arrows to select
<Ch1>, uses the UP (2) and DOWN (8) arrows to scroll to LDPC Derand in blue, and then pushes ENTER
or SELECT (5) to highlight the selection window in bright magenta. The operator then uses the UP (2)
and DOWN (8) arrows to select CCSDS or IRIG and pushes ENTER or SELECT (5.
Using the horizontal LEFT (4) and RIGHT (6) arrows, the operator selects <Ch2> and pushes ENTER or
SELECT (5) to highlight the selection window in bright magenta. The operator then uses the UP (2) and
DOWN (8) arrows to select CCSDS or IRIG and pushes ENTER or SELECT (5). The operator repeats
these steps for <Comb>.
Figure 6-43
Front Panel SOQPSK-LDPC Settings
---------------------------------------------SOQPSK-LDPC Rate Selection-------------------------------------------